140821840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{56783}}^1$

素因数の和:56827

約数の個数: 40

約数和(自身を含む): 337978368

約数和(自身を除く): 197156528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 56783, 113566, 227132, 283915, 454264, 567830, 908528, 1135660, 1760273, 2271320, 3520546, 4542640, 7041092, 8801365, 14082184, 17602730, 28164368, 35205460, 70410920, 140821840]

約数ペア:

[(1, 140821840), (2, 70410920), (4, 35205460), (5, 28164368), (8, 17602730), (10, 14082184), (16, 8801365), (20, 7041092), (31, 4542640), (40, 3520546), (62, 2271320), (80, 1760273), (124, 1135660), (155, 908528), (248, 567830), (310, 454264), (496, 283915), (620, 227132), (1240, 113566), (2480, 56783)]